Shell - Shell Advanced Fuels - The Tests, The Facts (1992)

Shell - Shell Advanced Fuels - The Tests, The Facts (1992)
"It only takes 5 minutes to prove that not all fuels are the same."

[@saxongreen78]

I was surprised by the amount of coke on that valve using standard petrol...perhaps I'm not such a mug for using premium, after all! (I would be interested to see this test performed on an old sidevalve with a 6v coil and updraft carburettor.)